On Wed, Apr 14, 2010 at 11:32:24AM -0700, Richard Henderson wrote: > Define and use OPC_XCHG_ax_r32. > > Signed-off-by: Richard Henderson <r...@twiddle.net>
Acked-by: Aurelien Jarno <aurel...@aurel32.net> > --- > tcg/i386/tcg-target.c | 4 +++- > 1 files changed, 3 insertions(+), 1 deletions(-) > > diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c > index 020faf0..bf3c0d6 100644 > --- a/tcg/i386/tcg-target.c > +++ b/tcg/i386/tcg-target.c > @@ -197,6 +197,7 @@ static inline int tcg_target_const_match(tcg_target_long > val, > #define OPC_SHIFT_Ib (0xc1) > #define OPC_SHIFT_cl (0xd3) > #define OPC_TESTL (0x85) > +#define OPC_XCHG_ax_r32 (0x90) > > #define OPC_GRP3_Ev (0xf7) > #define OPC_GRP5 (0xff) > @@ -793,7 +794,8 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg > *args, > break; > case 3: > if (data_reg == TCG_REG_EDX) { > - tcg_out_opc(s, 0x90 + TCG_REG_EDX); /* xchg %edx, %eax */ > + /* xchg %edx, %eax */ > + tcg_out_opc(s, OPC_XCHG_ax_r32 + TCG_REG_EDX); > tcg_out_mov(s, data_reg2, TCG_REG_EAX); > } else { > tcg_out_mov(s, data_reg, TCG_REG_EAX); > -- > 1.6.6.1 > > > > -- Aurelien Jarno GPG: 1024D/F1BCDB73 aurel...@aurel32.net http://www.aurel32.net